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1 | /** @file\r | |
2 | PCD DXE driver\r | |
3 | \r | |
4 | Copyright (c) 2006, Intel Corporation\r | |
5 | All rights reserved. This program and the accompanying materials\r | |
6 | are licensed and made available under the terms and conditions of the BSD License\r | |
7 | which accompanies this distribution. The full text of the license may be found at\r | |
8 | http://opensource.org/licenses/bsd-license.php\r | |
9 | \r | |
10 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r | |
11 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r | |
12 | \r | |
13 | \r | |
14 | Module Name: Pcd.c\r | |
15 | \r | |
16 | **/\r | |
17 | \r | |
18 | #include "Service.h"\r | |
19 | \r | |
20 | \r | |
21 | PCD_PROTOCOL mPcdInstance = {\r | |
22 | DxePcdSetSku,\r | |
23 | \r | |
24 | DxePcdGet8,\r | |
25 | DxePcdGet16,\r | |
26 | DxePcdGet32,\r | |
27 | DxePcdGet64,\r | |
28 | DxePcdGetPtr,\r | |
29 | DxePcdGetBool,\r | |
30 | DxePcdGetSize,\r | |
31 | \r | |
32 | DxePcdGet8Ex,\r | |
33 | DxePcdGet16Ex,\r | |
34 | DxePcdGet32Ex,\r | |
35 | DxePcdGet64Ex,\r | |
36 | DxePcdGetPtrEx,\r | |
37 | DxePcdGetBoolEx,\r | |
38 | DxePcdGetSizeEx,\r | |
39 | \r | |
40 | DxePcdSet8,\r | |
41 | DxePcdSet16,\r | |
42 | DxePcdSet32,\r | |
43 | DxePcdSet64,\r | |
44 | DxePcdSetPtr,\r | |
45 | DxePcdSetBool,\r | |
46 | \r | |
47 | DxePcdSet8Ex,\r | |
48 | DxePcdSet16Ex,\r | |
49 | DxePcdSet32Ex,\r | |
50 | DxePcdSet64Ex,\r | |
51 | DxePcdSetPtrEx,\r | |
52 | DxePcdSetBoolEx,\r | |
53 | \r | |
54 | DxeRegisterCallBackOnSet,\r | |
55 | DxeUnRegisterCallBackOnSet,\r | |
56 | DxePcdGetNextToken\r | |
57 | };\r | |
58 | \r | |
59 | \r | |
60 | //\r | |
61 | // Static global to reduce the code size\r | |
62 | //\r | |
63 | static EFI_HANDLE NewHandle = NULL;\r | |
64 | \r | |
65 | EFI_STATUS\r | |
66 | EFIAPI\r | |
67 | PcdDxeInit (\r | |
68 | IN EFI_HANDLE ImageHandle,\r | |
69 | IN EFI_SYSTEM_TABLE *SystemTable\r | |
70 | )\r | |
71 | {\r | |
72 | EFI_STATUS Status;\r | |
73 | \r | |
74 | //\r | |
75 | // Make sure the Pcd Protocol is not already installed in the system\r | |
76 | //\r | |
77 | \r | |
78 | ASSERT_PROTOCOL_ALREADY_INSTALLED (NULL, &gPcdProtocolGuid);\r | |
79 | \r | |
80 | BuildPcdDxeDataBase ();\r | |
81 | \r | |
82 | //\r | |
83 | // BugBug Check if PcdDatabase is already installed.\r | |
84 | //\r | |
85 | \r | |
86 | Status = gBS->InstallProtocolInterface (\r | |
87 | &NewHandle,\r | |
88 | &gPcdProtocolGuid,\r | |
89 | EFI_NATIVE_INTERFACE,\r | |
90 | &mPcdInstance\r | |
91 | );\r | |
92 | \r | |
93 | ASSERT_EFI_ERROR (Status);\r | |
94 | \r | |
95 | return EFI_SUCCESS;\r | |
96 | \r | |
97 | }\r | |
98 | \r | |
99 | \r | |
100 | VOID\r | |
101 | EFIAPI\r | |
102 | DxePcdSetSku (\r | |
103 | IN UINTN SkuId\r | |
104 | )\r | |
105 | {\r | |
106 | mPcdDatabase->PeiDb.Init.SystemSkuId = (SKU_ID) SkuId;\r | |
107 | \r | |
108 | return;\r | |
109 | }\r | |
110 | \r | |
111 | \r | |
112 | \r | |
113 | UINT8\r | |
114 | EFIAPI\r | |
115 | DxePcdGet8 (\r | |
116 | IN UINTN TokenNumber\r | |
117 | )\r | |
118 | {\r | |
119 | return *((UINT8 *) GetWorker (TokenNumber, sizeof (UINT8)));\r | |
120 | }\r | |
121 | \r | |
122 | \r | |
123 | \r | |
124 | UINT16\r | |
125 | EFIAPI\r | |
126 | DxePcdGet16 (\r | |
127 | IN UINTN TokenNumber\r | |
128 | )\r | |
129 | {\r | |
130 | return ReadUnaligned16 (GetWorker (TokenNumber, sizeof (UINT16)));\r | |
131 | }\r | |
132 | \r | |
133 | \r | |
134 | \r | |
135 | UINT32\r | |
136 | EFIAPI\r | |
137 | DxePcdGet32 (\r | |
138 | IN UINTN TokenNumber\r | |
139 | )\r | |
140 | {\r | |
141 | return ReadUnaligned32 (GetWorker (TokenNumber, sizeof (UINT32)));\r | |
142 | }\r | |
143 | \r | |
144 | \r | |
145 | \r | |
146 | UINT64\r | |
147 | EFIAPI\r | |
148 | DxePcdGet64 (\r | |
149 | IN UINTN TokenNumber\r | |
150 | )\r | |
151 | {\r | |
152 | return ReadUnaligned64(GetWorker (TokenNumber, sizeof (UINT64)));\r | |
153 | }\r | |
154 | \r | |
155 | \r | |
156 | \r | |
157 | VOID *\r | |
158 | EFIAPI\r | |
159 | DxePcdGetPtr (\r | |
160 | IN UINTN TokenNumber\r | |
161 | )\r | |
162 | {\r | |
163 | return GetWorker (TokenNumber, 0);\r | |
164 | }\r | |
165 | \r | |
166 | \r | |
167 | \r | |
168 | BOOLEAN\r | |
169 | EFIAPI\r | |
170 | DxePcdGetBool (\r | |
171 | IN UINTN TokenNumber\r | |
172 | )\r | |
173 | {\r | |
174 | return *((BOOLEAN *) GetWorker (TokenNumber, sizeof (BOOLEAN)));\r | |
175 | }\r | |
176 | \r | |
177 | \r | |
178 | \r | |
179 | UINTN\r | |
180 | EFIAPI\r | |
181 | DxePcdGetSize (\r | |
182 | IN UINTN TokenNumber\r | |
183 | )\r | |
184 | {\r | |
185 | UINT16 * SizeTable;\r | |
186 | //\r | |
187 | // TokenNumber Zero is reserved as PCD_INVALID_TOKEN_NUMBER.\r | |
188 | // We have to decrement TokenNumber by 1 to make it usable\r | |
189 | // as the array index.\r | |
190 | //\r | |
191 | TokenNumber--;\r | |
192 | \r | |
193 | SizeTable = (TokenNumber < PEI_LOCAL_TOKEN_NUMBER) ? mPcdDatabase->PeiDb.Init.SizeTable :\r | |
194 | mPcdDatabase->DxeDb.Init.SizeTable;\r | |
195 | \r | |
196 | \r | |
197 | TokenNumber = (TokenNumber < PEI_LOCAL_TOKEN_NUMBER) ? TokenNumber : (TokenNumber - PEI_LOCAL_TOKEN_NUMBER);\r | |
198 | \r | |
199 | return SizeTable[TokenNumber];\r | |
200 | }\r | |
201 | \r | |
202 | \r | |
203 | \r | |
204 | UINT8\r | |
205 | EFIAPI\r | |
206 | DxePcdGet8Ex (\r | |
207 | IN CONST EFI_GUID *Guid,\r | |
208 | IN UINTN ExTokenNumber\r | |
209 | )\r | |
210 | {\r | |
211 | return *((UINT8 *) ExGetWorker (Guid, ExTokenNumber, sizeof(UINT8)));\r | |
212 | }\r | |
213 | \r | |
214 | \r | |
215 | \r | |
216 | UINT16\r | |
217 | EFIAPI\r | |
218 | DxePcdGet16Ex (\r | |
219 | IN CONST EFI_GUID *Guid,\r | |
220 | IN UINTN ExTokenNumber\r | |
221 | )\r | |
222 | {\r | |
223 | return ReadUnaligned16 (ExGetWorker (Guid, ExTokenNumber, sizeof(UINT16)));\r | |
224 | }\r | |
225 | \r | |
226 | \r | |
227 | \r | |
228 | UINT32\r | |
229 | EFIAPI\r | |
230 | DxePcdGet32Ex (\r | |
231 | IN CONST EFI_GUID *Guid,\r | |
232 | IN UINTN ExTokenNumber\r | |
233 | )\r | |
234 | {\r | |
235 | return ReadUnaligned32 (ExGetWorker (Guid, ExTokenNumber, sizeof(UINT32)));\r | |
236 | }\r | |
237 | \r | |
238 | \r | |
239 | \r | |
240 | UINT64\r | |
241 | EFIAPI\r | |
242 | DxePcdGet64Ex (\r | |
243 | IN CONST EFI_GUID *Guid,\r | |
244 | IN UINTN ExTokenNumber\r | |
245 | )\r | |
246 | {\r | |
247 | return ReadUnaligned64 (ExGetWorker (Guid, ExTokenNumber, sizeof(UINT64)));\r | |
248 | }\r | |
249 | \r | |
250 | \r | |
251 | \r | |
252 | VOID *\r | |
253 | EFIAPI\r | |
254 | DxePcdGetPtrEx (\r | |
255 | IN CONST EFI_GUID *Guid,\r | |
256 | IN UINTN ExTokenNumber\r | |
257 | )\r | |
258 | {\r | |
259 | return ExGetWorker (Guid, ExTokenNumber, 0);\r | |
260 | }\r | |
261 | \r | |
262 | \r | |
263 | \r | |
264 | BOOLEAN\r | |
265 | EFIAPI\r | |
266 | DxePcdGetBoolEx (\r | |
267 | IN CONST EFI_GUID *Guid,\r | |
268 | IN UINTN ExTokenNumber\r | |
269 | )\r | |
270 | {\r | |
271 | return *((BOOLEAN *) ExGetWorker (Guid, ExTokenNumber, sizeof(BOOLEAN)));\r | |
272 | }\r | |
273 | \r | |
274 | \r | |
275 | \r | |
276 | UINTN\r | |
277 | EFIAPI\r | |
278 | DxePcdGetSizeEx (\r | |
279 | IN CONST EFI_GUID *Guid,\r | |
280 | IN UINTN ExTokenNumber\r | |
281 | )\r | |
282 | {\r | |
283 | return DxePcdGetSize(GetExPcdTokenNumber (Guid, (UINT32) ExTokenNumber));\r | |
284 | }\r | |
285 | \r | |
286 | \r | |
287 | \r | |
288 | EFI_STATUS\r | |
289 | EFIAPI\r | |
290 | DxePcdSet8 (\r | |
291 | IN UINTN TokenNumber,\r | |
292 | IN UINT8 Value\r | |
293 | )\r | |
294 | {\r | |
295 | return SetWorker (TokenNumber, &Value, sizeof (Value), FALSE);\r | |
296 | }\r | |
297 | \r | |
298 | \r | |
299 | \r | |
300 | EFI_STATUS\r | |
301 | EFIAPI\r | |
302 | DxePcdSet16 (\r | |
303 | IN UINTN TokenNumber,\r | |
304 | IN UINT16 Value\r | |
305 | )\r | |
306 | {\r | |
307 | return SetWorker (TokenNumber, &Value, sizeof (Value), FALSE);\r | |
308 | }\r | |
309 | \r | |
310 | \r | |
311 | \r | |
312 | EFI_STATUS\r | |
313 | EFIAPI\r | |
314 | DxePcdSet32 (\r | |
315 | IN UINTN TokenNumber,\r | |
316 | IN UINT32 Value\r | |
317 | )\r | |
318 | {\r | |
319 | return SetWorker (TokenNumber, &Value, sizeof (Value), FALSE);\r | |
320 | }\r | |
321 | \r | |
322 | \r | |
323 | \r | |
324 | EFI_STATUS\r | |
325 | EFIAPI\r | |
326 | DxePcdSet64 (\r | |
327 | IN UINTN TokenNumber,\r | |
328 | IN UINT64 Value\r | |
329 | )\r | |
330 | {\r | |
331 | return SetWorker (TokenNumber, &Value, sizeof (Value), FALSE);\r | |
332 | }\r | |
333 | \r | |
334 | \r | |
335 | \r | |
336 | EFI_STATUS\r | |
337 | EFIAPI\r | |
338 | DxePcdSetPtr (\r | |
339 | IN UINTN TokenNumber,\r | |
340 | IN UINTN SizeOfBuffer,\r | |
341 | IN VOID *Buffer\r | |
342 | )\r | |
343 | {\r | |
344 | return SetWorker (TokenNumber, Buffer, SizeOfBuffer, TRUE);\r | |
345 | }\r | |
346 | \r | |
347 | \r | |
348 | \r | |
349 | EFI_STATUS\r | |
350 | EFIAPI\r | |
351 | DxePcdSetBool (\r | |
352 | IN UINTN TokenNumber,\r | |
353 | IN BOOLEAN Value\r | |
354 | )\r | |
355 | {\r | |
356 | return SetWorker (TokenNumber, &Value, sizeof (Value), FALSE);\r | |
357 | }\r | |
358 | \r | |
359 | \r | |
360 | \r | |
361 | EFI_STATUS\r | |
362 | EFIAPI\r | |
363 | DxePcdSet8Ex (\r | |
364 | IN CONST EFI_GUID *Guid,\r | |
365 | IN UINTN ExTokenNumber,\r | |
366 | IN UINT8 Value\r | |
367 | )\r | |
368 | {\r | |
369 | return ExSetWorker(\r | |
370 | ExTokenNumber, \r | |
371 | Guid,\r | |
372 | &Value, \r | |
373 | sizeof (Value), \r | |
374 | FALSE\r | |
375 | );\r | |
376 | }\r | |
377 | \r | |
378 | \r | |
379 | \r | |
380 | EFI_STATUS\r | |
381 | EFIAPI\r | |
382 | DxePcdSet16Ex (\r | |
383 | IN CONST EFI_GUID *Guid,\r | |
384 | IN UINTN ExTokenNumber,\r | |
385 | IN UINT16 Value\r | |
386 | )\r | |
387 | {\r | |
388 | return ExSetWorker(\r | |
389 | ExTokenNumber, \r | |
390 | Guid,\r | |
391 | &Value, \r | |
392 | sizeof (Value), \r | |
393 | FALSE\r | |
394 | );\r | |
395 | }\r | |
396 | \r | |
397 | \r | |
398 | \r | |
399 | EFI_STATUS\r | |
400 | EFIAPI\r | |
401 | DxePcdSet32Ex (\r | |
402 | IN CONST EFI_GUID *Guid,\r | |
403 | IN UINTN ExTokenNumber,\r | |
404 | IN UINT32 Value\r | |
405 | )\r | |
406 | {\r | |
407 | return ExSetWorker(\r | |
408 | ExTokenNumber, \r | |
409 | Guid,\r | |
410 | &Value, \r | |
411 | sizeof (Value), \r | |
412 | FALSE\r | |
413 | );\r | |
414 | }\r | |
415 | \r | |
416 | \r | |
417 | \r | |
418 | EFI_STATUS\r | |
419 | EFIAPI\r | |
420 | DxePcdSet64Ex (\r | |
421 | IN CONST EFI_GUID *Guid,\r | |
422 | IN UINTN ExTokenNumber,\r | |
423 | IN UINT64 Value\r | |
424 | )\r | |
425 | {\r | |
426 | return ExSetWorker(\r | |
427 | ExTokenNumber, \r | |
428 | Guid,\r | |
429 | &Value, \r | |
430 | sizeof (Value), \r | |
431 | FALSE\r | |
432 | );\r | |
433 | }\r | |
434 | \r | |
435 | \r | |
436 | \r | |
437 | EFI_STATUS\r | |
438 | EFIAPI\r | |
439 | DxePcdSetPtrEx (\r | |
440 | IN CONST EFI_GUID *Guid,\r | |
441 | IN UINTN ExTokenNumber,\r | |
442 | IN UINTN SizeOfBuffer,\r | |
443 | IN VOID *Buffer\r | |
444 | )\r | |
445 | {\r | |
446 | return ExSetWorker(\r | |
447 | ExTokenNumber, \r | |
448 | Guid,\r | |
449 | Buffer, \r | |
450 | SizeOfBuffer, \r | |
451 | TRUE\r | |
452 | );\r | |
453 | }\r | |
454 | \r | |
455 | \r | |
456 | \r | |
457 | EFI_STATUS\r | |
458 | EFIAPI\r | |
459 | DxePcdSetBoolEx (\r | |
460 | IN CONST EFI_GUID *Guid,\r | |
461 | IN UINTN ExTokenNumber,\r | |
462 | IN BOOLEAN Value\r | |
463 | )\r | |
464 | {\r | |
465 | return ExSetWorker(\r | |
466 | ExTokenNumber, \r | |
467 | Guid,\r | |
468 | &Value, \r | |
469 | sizeof (Value), \r | |
470 | TRUE\r | |
471 | );\r | |
472 | }\r | |
473 | \r | |
474 | \r | |
475 | \r | |
476 | \r | |
477 | EFI_STATUS\r | |
478 | EFIAPI\r | |
479 | DxeRegisterCallBackOnSet (\r | |
480 | IN UINTN TokenNumber,\r | |
481 | IN CONST EFI_GUID *Guid, OPTIONAL\r | |
482 | IN PCD_PROTOCOL_CALLBACK CallBackFunction\r | |
483 | )\r | |
484 | {\r | |
485 | ASSERT (CallBackFunction != NULL);\r | |
486 | \r | |
487 | return DxeRegisterCallBackWorker (TokenNumber, Guid, CallBackFunction);\r | |
488 | }\r | |
489 | \r | |
490 | \r | |
491 | \r | |
492 | EFI_STATUS\r | |
493 | EFIAPI\r | |
494 | DxeUnRegisterCallBackOnSet (\r | |
495 | IN UINTN TokenNumber,\r | |
496 | IN CONST EFI_GUID *Guid, OPTIONAL\r | |
497 | IN PCD_PROTOCOL_CALLBACK CallBackFunction\r | |
498 | )\r | |
499 | {\r | |
500 | ASSERT (CallBackFunction != NULL);\r | |
501 | \r | |
502 | return DxeUnRegisterCallBackWorker (TokenNumber, Guid, CallBackFunction);\r | |
503 | }\r | |
504 | \r | |
505 | \r | |
506 | \r | |
507 | EFI_STATUS\r | |
508 | EFIAPI\r | |
509 | DxePcdGetNextToken (\r | |
510 | IN CONST EFI_GUID *Guid, OPTIONAL\r | |
511 | IN OUT UINTN *TokenNumber\r | |
512 | )\r | |
513 | {\r | |
514 | UINTN ExTokenNumber;\r | |
515 | \r | |
516 | //\r | |
517 | // Scan the local token space\r | |
518 | //\r | |
519 | if (Guid == NULL) {\r | |
520 | (*TokenNumber)++;\r | |
521 | if (*TokenNumber == PCD_INVALID_TOKEN_NUMBER) {\r | |
522 | return EFI_SUCCESS;\r | |
523 | } else {\r | |
524 | if (*TokenNumber >= PEI_NEX_TOKEN_NUMBER &&\r | |
525 | *TokenNumber < PEI_LOCAL_TOKEN_NUMBER) {\r | |
526 | //\r | |
527 | // The first Non-Ex type Token Number for DXE PCD \r | |
528 | // database is PEI_LOCAL_TOKEN_NUMBER\r | |
529 | //\r | |
530 | *TokenNumber = PEI_LOCAL_TOKEN_NUMBER;\r | |
531 | return EFI_SUCCESS;\r | |
532 | } else if (*TokenNumber >= DXE_NEX_TOKEN_NUMBER + PEI_LOCAL_TOKEN_NUMBER) {\r | |
533 | *TokenNumber = PCD_INVALID_TOKEN_NUMBER;\r | |
534 | return EFI_SUCCESS;\r | |
535 | }\r | |
536 | }\r | |
537 | }\r | |
538 | \r | |
539 | if (PEI_EXMAP_TABLE_EMPTY && PEI_EXMAP_TABLE_EMPTY) {\r | |
540 | *TokenNumber = (UINTN) PCD_INVALID_TOKEN_NUMBER;\r | |
541 | return EFI_NOT_FOUND;\r | |
542 | }\r | |
543 | \r | |
544 | ExTokenNumber = *TokenNumber;\r | |
545 | if (!PEI_EXMAP_TABLE_EMPTY) {\r | |
546 | ExTokenNumber = ExGetNextTokeNumber (\r | |
547 | Guid,\r | |
548 | ExTokenNumber,\r | |
549 | mPcdDatabase->PeiDb.Init.GuidTable,\r | |
550 | sizeof(mPcdDatabase->PeiDb.Init.GuidTable),\r | |
551 | mPcdDatabase->PeiDb.Init.ExMapTable,\r | |
552 | sizeof(mPcdDatabase->PeiDb.Init.ExMapTable)\r | |
553 | );\r | |
554 | }\r | |
555 | \r | |
556 | if (!DXE_EXMAP_TABLE_EMPTY) {\r | |
557 | ExTokenNumber = ExGetNextTokeNumber (\r | |
558 | Guid,\r | |
559 | ExTokenNumber,\r | |
560 | mPcdDatabase->PeiDb.Init.GuidTable,\r | |
561 | sizeof(mPcdDatabase->PeiDb.Init.GuidTable),\r | |
562 | mPcdDatabase->PeiDb.Init.ExMapTable,\r | |
563 | sizeof(mPcdDatabase->PeiDb.Init.ExMapTable)\r | |
564 | );\r | |
565 | }\r | |
566 | \r | |
567 | *TokenNumber = ExTokenNumber;\r | |
568 | \r | |
569 | return EFI_SUCCESS;\r | |
570 | }\r | |
571 | \r |